Question

Describe the function of the following :-
• Cell wall
• Cell membrane
• Nucleus
• Ribosomes
• Lysosomes

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Answer 1

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• Cell wall

• Cell wall is situated outside the cell.
• It is a think wall made up of cellulose .
• The cell wall supports and protects the cell.

• Cell membrane

• The thin outer covering of the cell is called cell membrane.
• It separates the outside and inside of the cell.
• It gives Shape to the cell .

• Nucleus

• It is a dark, generally spherical structure.
• It is found in the cytoplasm
• It regulates the process which go inside the cell.

• Ribosomes

• They are particles that occur in the cytoplasm and on certain membrane.
• They manufacture protein.

• Lysosomes

• They are small packets that contain destructive enzymes .
• They protect the cell.

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Answer 2

Cell wall

- A cell wall is a structure layer surrounding some types of cells, just outside the cell membranes. it can be tough or rigid. providing the cell structural support and protection. and also acts as filtering machanism... In bacteria, cell wall is composed peptidoglycan